https://github.com/hellboy84/PubMed2ExcelDownloader/blob/main/PRIVACY_POLICY.md

Summary

PubMed2ExcelDownloader does not collect, store, or transmit any personal data. All processing occurs locally in your browser.

This extension does not collect any data. Specifically:
- No personal information is collected or stored.
- No browsing history is recorded.
- No search queries are transmitted to any server other than NCBI.
- No cookies or local storage are read or written.
- No analytics or telemetry are used.